Wireless charger



FIG. 1 is a front top perspective view of a wireless charger, showing my new design;

FIG. 2 is a rear bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a front top perspective view of the wireless charger in another state.

The broken lines in the figures are for the purposes of illustrating portions of the wireless charger, which form no part of the claimed design. 

CLAIM The ornamental design for a wireless charger, as shown and described. 